org.apache.cxf.interceptor.FIStaxOutInterceptor Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.interceptor;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamWriter;
import com.sun.xml.fastinfoset.stax.factory.StAXOutputFactory;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
/**
* Creates an XMLStreamReader from the InputStream on the Message.
*/
public class FIStaxOutInterceptor extends AbstractPhaseInterceptor {
public static final String FI_ENABLED = "org.apache.cxf.fastinfoset.enabled";
boolean force;
XMLOutputFactory factory = new StAXOutputFactory();
public FIStaxOutInterceptor() {
super(Phase.PRE_STREAM);
addAfter(AttachmentOutInterceptor.class.getName());
addBefore(StaxOutInterceptor.class.getName());
}
public FIStaxOutInterceptor(boolean f) {
this();
force = f;
}
protected boolean isRequestor(Message message) {
return Boolean.TRUE.equals(message.containsKey(Message.REQUESTOR_ROLE));
}
public void handleMessage(Message message) {
XMLStreamWriter writer = message.getContent(XMLStreamWriter.class);
if (writer != null) {
return;
}
boolean req = isRequestor(message);
Object o = message.getContextualProperty(FI_ENABLED);
if (!req) {
if (message.getExchange().getInMessage() != null) {
//check incoming accept header
String s = (String)message.getExchange().getInMessage().get(Message.ACCEPT_CONTENT_TYPE);
if (s != null && s.contains("fastinfoset")) {
o = Boolean.TRUE;
}
}
} else {
Map> headers
= CastUtils.cast((Map)message.get(Message.PROTOCOL_HEADERS));
List accepts = headers.get("Accept");
if (accepts == null) {
accepts = new ArrayList();
headers.put("Accept", accepts);
}
String a = "application/fastinfoset";
if (!accepts.isEmpty()) {
a += ", " + accepts.get(0);
accepts.set(0, a);
} else {
accepts.add(a);
}
}
if (force
|| Boolean.TRUE.equals(o)) {
message.put(XMLOutputFactory.class.getName(),
factory);
String s = (String)message.get(Message.CONTENT_TYPE);
if (s.contains("application/soap+xml")) {
s = s.replace("application/soap+xml", "application/soap+fastinfoset");
message.put(Message.CONTENT_TYPE, s);
} else {
message.put(Message.CONTENT_TYPE, "application/fastinfoset");
}
}
}
}